Zubrowka Bison Grass vodka is renowned as one of the first "bison grass vodkas." Each bottle has a single blade of grass floating within the vodka, which may enhance it's pale green cast. It's an excellent choice to offer variety into the traditional martini. Bison grass is picked by hand at the height of summer, carefully dried and then added as an extract to a luxury rye spirit, distilled in the time honoured way at the Bialystok distillery. Zubrowka Bison Grass Vodka can only be produced in Poland at the Bialystok distillery. Floral, herbaceous, vanilla and spring flowers are just a few of the many descriptions for Zubrowka.